. >> biden was supposed to be in florida focused on beating up romney on medicare -- >> i want to say, i want to say one thing -- >> he could not resist going off message to rush to president obama's defense. >> i want to tell you how proud i am to stand shoulder to shoulder with a guy who has done more for israel physical security than any president of eight i served with. >> that came the day that the president was on the phone with netanyahu who is in the united states instead of meeting him in person. a white house statement said they are in full agreement of a shared goal to prevent iran obtaining a nuclear weapon, it stopped short of agreal to the red line that he demanded thursday. >> where should a red line be drawn? right here. before, before iran completes a second stage of nuclear enrichment. >> romney pressured the president scheduling his own call today with netanyahu. >> the national security threat is iran with nuclear capability. we spoke about the assessment of where the red line ought to be drawn. >> romney took the opening to hamer a president who has seen drop on f